1. Optimize the memset with mmi. 2. Optimize macro REGULAR_SELECT_EOB. Change-Id: Icd9c866b0e6aef08874b2f123e9b0e09919445ff
1. vp8_fast_quantize_b_mmi 2. vp8_regular_quantize_b_mmi Change-Id: Ic6e21593075f92c1004acd67184602d2aa5d5646